Question

A) -π ^ 2=
B). π^ -2=
C). (1/2)^3=

Answer 1

Explicação passo-a-passo:

$a) - \pi {}^{2} = - \pi. - \pi = \pi {}^{2}$

$b)\pi {}^{ - 2} = ( \frac{1}{\pi} ) {}^{2}$

$c)( \frac{1}{2} ) {}^{3} = \frac{1}{2} . \frac{1}{2} . \frac{1}{2} = \frac{1}{8}$